How we can calculate k constants for a multi-machine power system using PSAT?

Small signal stability analysis of multi-machine power system using PSAT software

06 August 2020 8,195 3 View

Steps to improve cryoEM helical reconstruction resolution using relion?

Hello all, I am trying to do helical reconstruction for my fibrils. I am at 3D classification steps where I can get the resolution (given by relion) at 3.2 A. The actual resolution is worse I...

28 July 2020 6,266 1 View

Does Aristotle have a term and a theory for what the Scholastics have named "ens rationis" as opposed to "ens reale"?

Scholastics have called "entia rationis" those objects, which do not and cannot exist in reality but only within the mind, such as chimaeras, privations (like blindness), negations...

19 July 2020 4,667 22 View

Are there contemporary evaluations of US public health system?

I'm looking for a recent evaluation of the US federal efforts to prevent disease outbreaks, specific to the US public health system. I see some old (15-16 yr old) reports, anyone done anything...

06 June 2020 7,396 1 View

Is there any working method for concentration of influenza virus from water and sediments without the inactivation of the virus?

I have done an experiment to study the persistence of avian influenza in lake water and in lake sediments. Do you know a good concentration method to use without the inactivation of the virus from...

27 January 2020 7,044 3 View

There is any way to know the equivalence between an old genome reference assembly and its new version??

28 November 2019 8,768 4 View

Peptide concentration for stimulating murine CD4+ and CD8+ splenocytes?

I'm trying to figure out a good starting concentration of 15mer peptides to stimulate mouse CD4+ and CD8+ splenocytes for cytokine staining. We are pooling 72 peptides for one of our conditions to...

17 October 2019 6,974 2 View

Can commercial Competitive ELISA Oxytocin kits measure synthetic oxytocin (used in clinical practice)?

Can commercial Competitive ELISA Oxytocin kits measure/pick up synthetic oxytocin (used in clinical practice)?

09 September 2019 6,479 3 View

Is there a statistical techniques to compare multiple subscores of a specific domain?

I performed a neuro-psychological battery consisting of 6 tests that measures different aspects of executive function. Each test has between 3 to 15 subscores. There is no consensus on whether one...

10 June 2019 4,062 3 View

How long does an IAC antibody-coupled NHS column last?

I'm trying to use IAC to purify a protein using an old prepacked NHS column with a potent antibody, that was coupled 2-3 years ago, and getting bad yields (Wide peak over 4 mL at 2 mAU max,...

17 January 2019 5,664 4 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Can anyone help or comment on solubilising chlorobutanol in aqueous injections in minimum time possible?

Please suggest solubilisation of chlorobutanol in injections. Tried pH and high temperature. But the issue is of assay drop. If anyone can suggest any solution. Its a commonly used excipient for...

21 February 2021 7,397 1 View

How to use Remote sensing and GIS applications for mapping the available medicinal plants within the locality/municipality?

Hello, I'm very interested in mapping and managing the conservation of the Philippine traditional medicinal plants, in which I think is very helpful in the field of medicine for further analysis...

21 February 2021 374 5 View

Why use both bead beating and enzymes (lysostaphin and lysozyme) for DNA extraction from sputum samples?

Hello, I have read in a few publications that to extract total DNA from sputum samples, both bead beating and enzymes are used to disrupt the cells. Bead beating is supposed to be efficient in...

18 February 2021 3,360 2 View

Extraction of DNA from insect samples conserved in silica gel?

Hi everybody, can anybody suggest how to extract DNA from insect samples conserved in silica gel (in my case, mosquitoes)? Does anybody know a commericial kit which does that or a particular...

10 February 2021 3,392 4 View

For acid treated montmorillonite clays what will be the result of surface area?

The organo montmorillonite nanoclays modified with octadecylamine were used for the experiment. After acid treatment, the surface area will be increase. However, in my experiment, the surface area...

10 February 2021 1,581 3 View

Which database could provide the signal sequence for targeting various cellular regions? ?

I am searching for thee database which could provide me signal sequence specific to the various cell organelle. such as signal sequence for mitochondria, signal sequence for endoplasmic...

04 February 2021 6,650 2 View

MAD or boxplot to detect outliers in non normally distributed data for latency and distance in animal cognition?

I am studying animal cognition and I have data about animals' latency to approach a cue and animals' distance from the cue in a test. Data are not normally distributed and when I do scatterplots...

04 February 2021 503 3 View